Home / 2,168,884.68-2,990,400.30-1,759,828.20

Finding the Fourth Proportional to 2,168,884.68, 2,990,400.30 and 1,759,828.20

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Solution

The fourth proportional to 2,168,884.68, 2,990,400.30 and 1,759,828.20 is: 2,426,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,884.68 : 2,990,400.30 = 1,759,828.20 : x
  2. Step 2: Convert to fraction form
    2,168,884.68/2,990,400.30 = 1,759,828.20/x
  3. Step 3: Cross multiply
    2,168,884.68x = 2,990,400.30 × 1,759,828.20
  4. Step 4: Simplify right side
    2,168,884.68x = 5,262,590,777,228.46
  5. Step 5: Solve for x
    x = 5,262,590,777,228.46/2,168,884.68
  6. Step 6: Final answer
    x = 2,426,404.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.